Usually means: Transparent calcite, double refraction crystal.
Definitions Related words Mentions
We found 19 dictionaries that define the word Iceland spar:

General (17 matching dictionaries)
  1. Iceland spar: Merriam-Webster
  2. Iceland spar: Oxford Learner's Dictionaries
  3. Iceland spar: American Heritage Dictionary of the English Language
  4. Iceland spar: Collins English Dictionary
  5. Iceland spar: Vocabulary.com
  6. Iceland spar: Wordnik
  7. Iceland spar: Wiktionary
  8. Iceland spar: Infoplease Dictionary
  9. Iceland spar: Dictionary.com
  10. Iceland spar: Wikipedia, the Free Encyclopedia
  11. Iceland spar: Online Plain Text English Dictionary
  12. Iceland spar: Rhymezone
  13. Iceland spar: AllWords.com Multi-Lingual Dictionary
  14. iceland spar: FreeDictionary.org
  15. iceland spar: Mnemonic Dictionary
  16. Iceland spar: TheFreeDictionary.com
  17. Iceland spar: Merriam-Webster

Computing (1 matching dictionary)
  1. Iceland spar: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

(Note: See iceland_spars as well.)

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Definitions from Wiktionary (Iceland spar)

▸ noun:  A transparent form of calcite, used to demonstrate the polarization of light.

Similar:
icespar, Greenland spar, ice spar, positive crystal, isinglass, microsparite, uigite, spicule, taseqite, jakobssonite, more...

Opposite:
calcite, rhombohedron

▸ Words similar to Iceland spar

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Similar:
icespar, Greenland spar, ice spar, positive crystal, isinglass, microsparite, uigite, spicule, taseqite, jakobssonite, more...

Opposite:
calcite, rhombohedron



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